Lauren Davis (Oct. 9, 1993), Boca Raton, Fla. – Davis, as a lucky loser, reached the third round of the Sony Open in Miami, taking No. 32 seed Alize Cornet to three sets. She trains at the Evert Tennis Academy with Carlos Zapata.

Victoria Duval (Nov. 30, 1995), Delray Beach, Fla. – Duval, the reigning USTA Girls’ 18s National Champion, advanced to the second round of the Sony Open in Miami, a WTA Premier event, defeating No. 66-ranked Andrea Hlavackova in the first round. She works with USTA National Coach Juan Todero.

Michaela Gordon (July 26, 1999), Los Altos Hills, Calif. – Gordon only lost one set en route to winning the girls’ singles title at the USTA Claremont ITF Junior tournament in Claremont, Calif., defeating Peggy Porter (Nov. 10, 1995, Dallas) in the title match. She works with Greg Shearer at Eagle Fustar, John Hubbell and USTA National Coach Leo Azevedo.

Madison Keys (Feb. 17, 1995), Rock Island, Ill. – Keys advanced to the second round at both the BNP Paribas Open in Indian Wells, Calif., and the Sony Open in Miami. She works with USTA National Coach Juan Todero.

Allie Kiick (June 30, 1995), Plantation, Fla. – Kiick captured her second USTA Pro Circuit title at the $10,000 event in Gainesville, Fla., then qualified for the Sony Open in Miami, a WTA Premier event, before falling to Madison Keys in the first round. She is coached by Harold Solomon.

Stefan Kozlov (Feb. 1, 1998), Pembroke Pines, Fla. – Kozlov performed well in several ITF Junior events in South America, reaching the singles final of the Copa Gerdau event in Brazil and winning two doubles titles, both with Spencer Papa (Oct. 22, 1995, Edmond, Okla.), at the Asuncion Bowl in Paraguay and the Banana Bowl in Brazil. As a 15 year old, Kozlov began April ranked No. 21 in the world among junior players ages 18 and younger. He works with USTA National Coach Nicolas Todero.

Alex Rybakov(Jan. 27, 1997), Coral Springs, Fla. – Rybakov won the boys’ singles title at the Panama Bowl ITF Junior event. He is coached by his father Nick.

Sloane Stephens (March 20, 1993), Plantation, Fla. – Stephens reached the round of 16 at the Sony Open in Miami. She works with USTA National Coaches David Nainkin and Troy Hahn.

Taylor Townsend (April 16, 1996), Chicago – Townsend, the No. 1-ranked junior in the world at the end of 2012, earned her first WTA Premier-level victory at the BNP Paribas Open in Indian Wells, Calif., upending then-No. 57 Lucie Hradecka in the first round en route to a second-round appearance. She works with USTA National Coach Juan Todero.